Thyristors & Rectifier Capsule Devices

TECHSEM’s Power Capsule devices include phase-control thyristors, fast turn-off thyristors and rectifier diodes with chip diameters ranging from 0.5 inches to 5 inches. The output current range is 200A to 8500A, and the reverse voltage range of the capsule devices is 400V to 6500V. All TECHSEM capsules have CE marking and comply with European RoHS directives. TECHSEM product applications include soft starts, induction heating, welding machines, rectifiers, power supplies. The packages of TECHSEM capsule devices are in full compliance with international standards.

TECHSEM is the leader in the Chinese power capsule device market

Please note that TECHSEM’s products and other Power products are promoted via Diamond’s specialist Power Components division. To find out more please visit

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